Overhead traveling crane.



PATENTED JULY 17, 1906. 0. L. TAYLOR. OVERHEAD TRAVELING CRANE.

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APPLICATION FILED SEPT. 6. 1905.

No. 826,127. PATENTED JULY 17, 1906.

0. L. TAYLOR. OVERHEAD TRAVELING CRANE.

APPLICATION FILED SEPT. 6. 1905.

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% flzmw w L rI/lurm I PATENTED JULY 17, 1906.

C. L. TAYLOR. OVERHEAD TRAVELING CRANE.

APPLICATION FILED SEPT. 6. 1905.

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6 [AW/Lyle V/ 7 1V [555/55 Maw fi U N lTEI) STATES PATENT OFFIOE.

CLARENCE L. TAYLOR, OF ALLIANCE, OHIO, ASSIGNOR TO THE MORGAN ENGINEERING COMPANY, OF ALLIANCE, OHIO.

Specification of Letters Patent.

Patented July 17, 1906.

App1ication filed September 6, 1905. Serial No. 277,238.

To all whom it may concern.-

Be it known that I, CLARENCE L. TAYLOR, of Alliance, in the county of Starkand State of Ohio, have invented certain new and useful Improvements in Overhead Traveling Cranes; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to an improvement in overhead traveling cranes designed more particularly for hoisting, carrying, and tilting foundry-ladles; and it consists of main gird ers, on which the main trolley travels, and an intermediate girder for each main girder, the intermediate girders being parallel to the main-girders and securely braced or laced thereto, the intermediate girders forming a support for the auxiliary trolley, which latter.

is adapted to travel lengthwise the bridge in a plane below the main trolley.

My invention further consists in the parts and combinations of'parts, as will be more fully'explained and pointed out in the claims.

In the accompanying drawings, Figure 1 is a view in side elevation of a crane embodying my invention. Fig. 2 is an enlarged view, in transverse section, through the bridge, showing the two trolleys thereon. Fig. 3 is a view in transverse section through one of the main and intermediate girders, showing the bridge travel-motor support and the braces connecting the two girders; and Fig. 4 is a view in bottom plan showing the bottom bracing.

1 represents a traveling bridge consisting of two main girders 2, each having, preferably, parallel upper and lower faces and secured at their ends to the end carriages 3, which latter are mounted on the track-wheels 4. These track-Wheels 4 travel on the elevated trackway 5, which latter runs lengthwise the foundry or shop.

Secured ,to the tops of the main girders 2 are the rails 6, on which the maintrolley' 7 travels. The lower ends of the girders 2 are cut away, as shown in Fig. 1, to receive the end carria es 3, thus shortening up considerably the epth of the bridge proper. The trolley 7 carries two drums 8, which latter are located with their axes in line with the bridgegirders and are so located at the sides of the trolley as to overhang the latter and said bridge-girders. These drums are rotated by one or more motors and are preferably coupled up by gearing, so as to rotate in unison.

s any construction of gearing and motor or motors may be used on this trolley, I have not attempted to show same in detail, but have simply shown the drums and a side view of one arrangement of gearing, as any arrangement 0 motor or motors and gearing which will operate the two drums in unison will answer all purposes.

Each drum 8 carries a hoisting-chain 9, the latter being secured at its ends to its drum and carrying in its depending loop a sheave 10, secured to one'end of the ladle-carrying beam 1 1. The two chains 9 thus support the beam 11 in a horizontal position below the bridge, the chains being located to the outer side of the girders 2, thus leaving the space between the girders free for the passa e back and forth of the auxiliary trolley un er the main trolley. Each main girder 2 and its intermediate girder 13 are connected by aseries of horizontal angle-irons 12, by oblique angle irons 12*, and the bottom braces 12, and the beams which carry the bridge-travel motor 20 are provided with a platform 12, on which said motor is seated. The ends of the intermediate beams or girders are cut away at their ends similar to the main beams and rest on the end carriage 3, the latter bein dished or depressed between their ends, as s own in Fig. 2, to receive and support the intermediate girders in a plane below the supports or seats of the main irders. These intermediate beams carry t e rails 14, on which the auxiliary trolley travels. This auxiliary trolley 15 is mounted on wheels 16 and carries a single drum 17, which is at right angles to the drums on the main trolley and spans the space between the inner beams or girders 13. This trolley, as well as the main trolley 7, carries a motor and gearing for its longitudinal travel and motor and gearing for rotating the drum.

The drum 17 of the auxiliary trolley carries two chains, each secured at one end to the drum and carrying at its opposite ends a hook which may be employed as an ordinary lifting-chain or for engagin either side of the ladle for tilting same. ith the construction as shown the auxiliary trolley is free to pass lengthwise the bridge under the main trolley, and thus carry its chain to either side of the ladle. The ladle 18 is shown pivotally supported in the bearings 19, depending from the beam.

By providing the main bridge-girders with inwardly-projecting brackets carrying inter mediate or auxiliary girders for supporting the auxiliary trolley I also provide means for supporting the platform 12 intermediate one main girder and its companion intermediate girder for the motor 20, gearing 21', and shaft 22, which 0 erate to propel the bridge lengthwise the sliop or foundry, thus locating these parts in a position out of the way of the chains of the main drums and out of the path of the auxiliary trolley.

It is evident that many slight changes might be made in the relative arran ement of parts shown and described without departing from the spirit and scope of my invention. Hence I would have it understood that I do not wish to confine myself to the exact construction herein shown and described; but,

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is r 1. -In an overhead traveling crane, the combination of a bridge, a main trolley adapted to travel on the girders of said bridge, auxiliary girders intermediate of and secured to said main girders, and a trolley mounted to travel on said intermediate girders.

2. In an overhead traveling crane, the combination with a traveling bridge, main trolley thereon, the latter having two drums ar-. ran ed with their axesparallel with the bri ge-girders, and a chain on each drum, the said chains depending on opposite sides of the bridge, of a trackway intermediate the main bridge-girders and connected thereto by braces, an auxiliary trolley on said trackway, and a hoisting-drum carried by said auxiliary trolley, the axis of said drum being at right angles to the axes of the drums on the main trolley.

3. In an overhead travelin crane, the combination with a traveling br1dge, a main trolley mounted to travel on the girders of said bridge, and provided with two drums, a chain on each drum, the said chains depending on opposite sides of the bridge, auxiliary girders intermediate the main girders and secured to the latter, a trolley mounted to travel on the auxiliary girders and provided with a drum and a chain depending from between the auxiliary girders.

4. The combination with a bridge comprising two main girders and end carriages, rails on the tops of the main girders, brackets secured to the inner faces of the main girders near their lower edges, intermediate earns or girders secured to said brackets, and rails on said intermediate beams or girders, of a main trolle adapted to travel on the rails on the main girders and provided with two drums the latter being arranged with their axes' in the direction of travel of the trolley, a chain carried by said drum, an auxiliary trolley mounted to travel on the rails carried by the intermediate girders and rovided with a drum, and a chain carrie by said drum and depending between the intermediate beams or girders.

5. The combination with a brid e and a trolley thereon, of girders interme iate the bridgeirders and braced thereto, a trolley adapte to travel on said intermediate girders, and a motor, shaft and gearing located intermediate one of the main girders and its adjacent intermediate girder, for propelling the bridge.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

CLARENCE- L. TAYLOR,

Witnesses:

Rosoon T. SHAW, N. O. FETTERS. 

